Sink



FIG. 1 is a perspective view taken from the top, front and right side of a sink showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a cross-sectional view taken on line 3--3 of FIG. 2; and,

FIG. 4 is a cross-sectional view taken on line 4--4 of FIG. 2.

The fragmentary broken line representation of a countertop in FIG. 1 is for the purposes of illustration only and forms no part of the claimed design. 

The ornamental design for a sink, as shown and described. 